Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.884411119886
Darker point darker score: 0.326154865735
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1CE5G48ELWN0F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2UKHWMBWV7LLU
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
(0: guessing, 1: probably, 2: definitely)